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Summary of Contents for Spirax Sarco PF5 Series
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Page 1: Table Of Contents
3730050/14 IM-P373-05 CTLS Issue 14 Type PF5 and PF6 Piston Actuated Valves Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Maintenance 6. Spare parts © Copyright 2019 IM-P373-05 CTLS Issue 14 Printed in GB... -
Page 2: Safety Information
Group 1 of the above Pressure Equipment Directive. The products’ use on other fluids may be possible but, if this is contemplated, Spirax Sarco should be contacted to confirm the suitability of the product for the application being considered. - Page 3 1.9 Tools and consumables Before starting work ensure that you have suitable tools and/or consumables available. Use only genuine Spirax Sarco replacement parts. 1.10 Protective clothing Consider whether you and/or others in the vicinity require any protective clothing to protect against the hazards of, for example, chemicals, high/low temperature, radiation, noise, falling objects, and dangers to eyes and face.
- Page 4 1.11 Permits to work All work must be carried out or be supervised by a suitably competent person. Installation and operating personnel should be trained in the correct use of the product according to the Installation and Maintenance Instructions. Where a formal 'permit to work' system is in force it must be complied with. Where there is no such system, it is recommended that a responsible person should know what work is going on and, where necessary, arrange to have an assistant whose primary responsibility is safety.
- Page 5 Customers and stockists are reminded that under EC Health, Safety and Environment Law, when returning products to Spirax Sarco they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health, safety or environmental risk.
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Page 6: General Product Information
2. General product information 2.1 Description PF51G A 2-port pneumatically actuated on/off valve for use on water, air, oil, and gases and can also be used on lower specification steam applications. Note: These valves are not suitable for vacuum conditions. PF6_G A 2-port pneumatically actuated on/off valve for use on steam, water, air, oil and gases. - Page 7 BD - Bi-directional Flow under seat Port 2 to 1 Instrument air or inert gases - Pilot media 60 °C (140 °F) maximum For use with other flow media contact Spirax Sarco Actuator rotation 360° Maximum pilot pressure Pilot connection NC &...
- Page 8 2.4 Sizes, pipe connections and actuator combinations Actuator type Valve type and pipe connections and version PF51G Screwed BSP or NPT 1 PTFE PF60G Threaded spigots to ISO 228 /1 (DN50 to ISO 338) PTFE PF61G Screwed BSP or NPT PTFE PF62G Butt weld to DIN 11850 pipe,ASME B 36.10/ISO 65 pipe or ISO 4200 pipe...
- Page 9 DN15 DN20 DN25 DN32 DN40 DN50 ½" ¾" 1" 1¼" 1½" 2" • • PF51G only • • • • • • • • • • • • • • • • Available on request • • • • • •...
- Page 10 Option H Minimum operating temperature -10 °C (14 °F) Note: For lower operating temperatures consult Spirax Sarco. Ambient temperature limits -10 °C to +60 °C (14 °F to 140 °F) Designed for a maximum cold hydraulic test pressure of: 1.5 x body design conditions Note: Valves which are being subjected to hydraulic testing must be in the fully open position.
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Page 11: Installation
3. Installation Note: Before actioning any installation observe the 'Safety information' in Section 1. Referring to the Installation and Maintenance Instructions, name-plate and Technical Information Sheet, check that the product is suitable for the intended installation: Check materials, pressure and temperature and their maximum values. Do not exceedthe performance rating of the valve. -
Page 12: Commissioning
4. Commissioning 4.1 Flow regulator This option will regulate the maximum flow of either the normally closed (NC) or normally open (NO) valves. The regulator can be used as a manual override for NO valves. Red travel indicator Adjustment knob Lock-nut Fig. - Page 13 4.2 Travel switch 4.4 Position module with The travel switch will provide an electrical mechanical or inductive switch signal provided by a magnetic sensor and The position modules allow the identif ic ation non contact switch to indicate valve open of the opening or closing position through an or closed position.
- Page 14 4.5 Wiring connections for position module Fig. 6 Schematic illustrating the electrical connection for mechanical switches Connector Switch for open Switch for closed position position Front view of the connector Common Common Fig. 7a Switch for closed position Schematic illustrating the electrical connection for Switch for open inductive switches...
- Page 15 To fit a solenoid valve onto a normally closed valve use the pilot connection marked 'NC', for normally open valves use the connection marked 'NO'. Contact Spirax Sarco before using water as the pilot media - When using water as a pilot media, remove the cap from the exhaust connection and connect a drain line.
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Page 16: Maintenance
5. Maintenance Note: Before undertaking any maintenance on the valve observe the 'Safety Information' in Section 1. Fig. 9 Red travel indicator Spring washer NC (Normally Closed) Stem lock-nut Spring Washer BD (Bi-Directional normally Piston closed valves) Stem 'O' ring Piston lip seal Valve stem Washer... -
Page 17: General Information
5.1 General information When removing the actuator and valve stem use one of the following methods (except for normally open version): i - Undo the actuator cover to relax the spring force while retaining the valve body, then remove the actuator and valve stem. -
Page 18: Spare Parts
6. Spare parts Available spares A main spare seal kit is available comprising: valve head seal (PTFE), stem 'O' ring, bonnet /actuator 'O' ring, piston lip seal, body seal (and body 'O' ring for the type PF6 _ G). Piston lip seal See Figures 10 and 11 for clarity Steam 'O' ring Exploded view... - Page 19 IM-P373-05 CTLS Issue 14...
- Page 20 IM-P373-05 CTLS Issue 14...
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